Nausea Immediately after intercourse.

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The last couple of times we've had sex my boyfriend has ejeculated inside me. Almost immediately after we finish I get nauseous. I've never thrown up, but it is rather bothersome. Same result after oral. I'm 18, and have had the same partner for almost 7 months now. I recently started the depo provera shot. I've only had one shot, and I still had my period. Ive also had my left ovary removed due to cysts, and currently have a small one. I've heard allergy to semen proteins, which seems likely as I've never had any inside me before.

Semen allergies are rare, but do exist. They usually manifest as redness, burning and swelling where the semen has contacted the skin, usually in the outer genital area.

In a few cases there may be a systemic response, including hives, itching and difficulty breathing. Is this what you are experiencing when you have nausea?

To determine if you have an allergy to semen you will need to see your doctor, and an allergy test may be needed.The treatment options for this include allergy shots containing small doses of the male partner's semen and a technique called the intravaginal seminal graded challenge which involves placing increasing amounts of the partner's semen in the woman's vagina.

Please be aware that 41% of allergic women have symptoms during their first intercourse and the symptoms tend to worsen with subsequent exposures unless they undergo desensitization treatment.

In the meantime you might try using condoms during intercourse to see if you get nauseous - or not - which will help in determining whether this is a semen allergy or something else.

Let us know what you learn and do when you see your doctor, you can help other women who face the same challenge.

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